Behind the scenes footage of open-world crime adventure Sleeping Dogs has demonstrated the influence of MMA star Georges St-Pierre on the game.

St-Pierre (affectionately known as "GSP") advised developers at United Front Games on the logistics of Sleeping Dog's combat systems.

Animations were tweaked and changed based upon GSP's experience, and virtual versions of GSP's own clothing are included.

The extended footage also includes a few new snippets of gameplay, including some of the more gory deaths sequences.

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Tom Phillips

Tom Phillips

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